Misc: onycholysis refers to the destruction of the _____?

Questions

Which disease is spread by a body louse?

What name is given to the bodys 24 hour cycle of sleeping, waking?

Which acid is produced in the muscles during exercise?

According to Louis Macneice in his poem Sunday Morning, what part of a man expands to tinker with his car?

What kind of representation of the human body is given to the name ecorche?